CN204565115U - A kind of laser powder fast forming machine essence amount power spreading device - Google Patents
A kind of laser powder fast forming machine essence amount power spreading device Download PDFInfo
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- CN204565115U CN204565115U CN201520282614.3U CN201520282614U CN204565115U CN 204565115 U CN204565115 U CN 204565115U CN 201520282614 U CN201520282614 U CN 201520282614U CN 204565115 U CN204565115 U CN 204565115U
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- powder
- low water
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- paving powder
- bucket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/329—Feeding using hoppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/52—Hoppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
- B22F12/63—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Road Paving Machines (AREA)
Abstract
The utility model relates to a kind of laser powder fast forming machine essence amount power spreading device, comprise basic installing plate, powder-laying roller tumbler that powder-laying roller, driving powder-laying roller rotate, drive the powder-laying roller powder-laying roller carriage of back and forth walking and paving powder loose slot device, paving powder loose slot device comprises paving powder low water pedestal, paving powder low water moves and connects bucket; The top of paving powder low water pedestal is powder cell body, and both sides are left low water and right low water, and paving powder low water moves and connects bucket and be divided into left receiving hopper and right receiving hopper; Paving powder low water moves and connecing bucket and be arranged in the powder cell body of paving powder low water pedestal, and paving powder low water moves and connects bucket and move left and right in the powder cell body of paving powder low water pedestal, make described left receiving hopper and right receiving hopper correspond respectively to the left low water of paving powder low water pedestal and right low water at different time.The beneficial effects of the utility model are: control power spreading device in a paving powder stroke paving powder region, achieve selective paving powder, improve powder utilization rate, improve precision of powder laying and finished product forming accuracy.
Description
Technical field
The utility model belongs to laser powder quickly shaping device, particularly relates to a kind of laser powder fast forming machine essence amount power spreading device.
Background technology
At present, 3D printing technique rises rapidly, and laser powder Quick-forming is a kind of 3D Method of printing of comparative maturity.Laser powder Rapid Prototyping Process is the upper surface adopting paving powder rod one deck dusty material to be laid in formation of parts, and be heated to just lower than a certain temperature of this powder sintered point, control system controls laser beam and scans on powder according to the cross section profile of this layer, the temperature of powder is made to rise to melting point, sinter, and realize boning with the part be shaped below.After a layer cross section has sintered, workbench has declined the thickness of a layer, and powder-laying roller is again at layer overlay powder uniformly densely above, carry out the sintering of a new layer cross section, until complete whole model, in whole forming process, paving powder link plays a part very important.Powder is all paved with at each paving powder stroke by current power spreading device in printing plane, and paving powder area is large, and paving powder amount is many; And the area spreading powder is larger, its precision of powder laying is lower, and the forming accuracy of finished product is also lower, and a large amount of unsintered powders circulates in a device simultaneously, add the use amount of powder in print procedure again, and can not consumed a large amount of energy by the circulation powder used after being heated in a large number.
Summary of the invention
The purpose of this utility model is the technical scheme proposing a kind of laser powder fast forming machine essence amount power spreading device, controls the paving powder of power spreading device, improves the forming accuracy of precision of powder laying and finished product.
To achieve these goals, the technical solution of the utility model is: a kind of laser powder fast forming machine essence amount power spreading device, be arranged on laser powder fast forming machine, the basic installing plate comprising overall frame and be fixedly connected with overall frame, the powder-laying roller tumbler described basic installing plate is equipped with powder-laying roller, driving powder-laying roller to rotate, the powder-laying roller carriage driving powder-laying roller back and forth to walk; Be provided with paving powder loose slot device described smart measuring in power spreading device, described paving powder loose slot device comprises paving powder low water pedestal, paving powder low water moves and connects bucket;
The cross section of described paving powder low water pedestal is portal structures, the top of the paving powder low water pedestal of portal structures is powder cell body, the bottom surface of described powder cell body is low water base plate, the both sides of the paving powder low water pedestal of portal structures are left low water and right low water, the lower end of described left low water and right low water is the opening that powder falls, and left low water is communicated with described powder cell body with the upper end of right low water; Powder cell body is arranged on the top of powder-laying roller, and left low water and right low water are separately positioned on the both sides of the radial direction of powder-laying roller;
Described paving powder low water moves and connecing bucket is the receiving hopper of bottom surface opened, and paving powder low water moves the centre connecing bucket and is provided with dividing plate, is moved by paving powder low water to connect bucket and be divided into left receiving hopper and right receiving hopper;
Paving powder low water moves in the powder cell body connecing and struggling against and be arranged on and spread powder low water pedestal, paving powder low water moves the width that the width connecing bucket corresponds to the low water base plate of paving powder low water pedestal, paving powder low water moves the low water contacts baseplate of bottom surface and the paving powder low water pedestal connecing bucket, and paving powder low water moves and connects bucket and move left and right in the powder cell body of paving powder low water pedestal, make described left receiving hopper and right receiving hopper correspond respectively to the left low water of paving powder low water pedestal and right low water at different time.
Further, the left low water of paving powder low water pedestal and right low water is fallen into respectively in order to make the powder in left receiving hopper and right receiving hopper, the bottom width that described paving powder low water moves the left receiving hopper connecing bucket is less than the A/F of the left low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and be moved to the left the left side edge being no more than described low water base plate in the powder cell body of paving powder low water pedestal; The bottom width that described paving powder low water moves the right receiving hopper connecing bucket is less than the A/F of the right low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and moves right in the powder cell body of paving powder low water pedestal and be no more than the right edge edge of described low water base plate.
Further, described paving powder low water moves and connects bucket by a loose slot drive motors driving, described loose slot drive motors drives one to spread powder loose slot shifting axle and rotates, described paving powder loose slot shifting axle moves at paving powder low water the two ends connecing bucket and drives one respectively to connect bucket Rack and gear transmission secondary, described in connect bucket Rack and gear transmission subband dynamic paving powder low water and move and connect bucket and move left and right.
Further, described paving powder loose slot device is provided with the controller controlling loose slot drive motors, the start-up time of described controller control loose slot drive motors, the duration of runs, rotation direction.
The beneficial effects of the utility model are: control power spreading device in a paving powder stroke paving powder region, achieve selective paving powder, improve powder utilization rate, improve precision of powder laying and finished product forming accuracy.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model in laser powder fast forming machine;
Fig. 2 is the utility model structure chart;
Fig. 3 is the utility model paving powder loose slot device and powder-laying roller tumbler structure chart;
Fig. 4 is the utility model paving powder low water base construction figure;
Fig. 5 is that the utility model paving powder low water moves and meets bucket structure figure;
Fig. 6 is the B portion partial enlarged drawing of Fig. 3;
Fig. 7 is the C portion broken section enlarged drawing of Fig. 3;
Fig. 8 is the A-A sectional view of Fig. 3;
Fig. 9 is the utility model powder falling powder behaviour schematic diagram
Figure 10 is behaviour's schematic diagram that the utility model spreads powder left;
Figure 11 is behaviour's schematic diagram that the utility model spreads powder to the right; .
Detailed description of the invention
As Fig. 1 to Fig. 8, a kind of laser powder fast forming machine essence amount power spreading device, be arranged on laser powder fast forming machine, comprise basic installing plate 6, powder-laying roller 29, the powder-laying roller tumbler driving powder-laying roller to rotate, drive the powder-laying roller powder-laying roller carriage of back and forth walking; Be provided with paving powder loose slot device described smart measuring in power spreading device, described paving powder loose slot device comprises paving powder low water pedestal 32, paving powder low water moves and connects bucket 33.
The cross section of described paving powder low water pedestal is portal structures, the top of the paving powder low water pedestal of portal structures is powder cell body 321, the bottom surface of described powder cell body is low water base plate 322, the both sides of the paving powder low water pedestal of portal structures are left low water 323 and right low water 324, the lower end of described left low water and right low water is the opening that powder falls, and left low water is communicated with described powder cell body with the upper end of right low water; Powder cell body is arranged on the top of powder-laying roller, and left low water and right low water are separately positioned on the both sides of the radial direction of powder-laying roller.
Described paving powder low water moves and connecing bucket is the receiving hopper of bottom surface opened, and paving powder low water moves the centre connecing bucket and is provided with dividing plate 331, is moved by paving powder low water to connect bucket and be divided into left receiving hopper 332 and right receiving hopper 333;
Paving powder low water moves in the powder cell body connecing and struggling against and be arranged on and spread powder low water pedestal, paving powder low water moves the width W 2 that the width W 1 connecing bucket corresponds to the low water base plate of paving powder low water pedestal, paving powder low water moves the low water contacts baseplate of bottom surface and the paving powder low water pedestal connecing bucket, and paving powder low water moves and connects bucket and move left and right in the powder cell body of paving powder low water pedestal, make described left receiving hopper and right receiving hopper correspond respectively to the left low water of paving powder low water pedestal and right low water at different time.
The bottom width W3 that described paving powder low water moves the left receiving hopper connecing bucket is less than the A/F W4 of the left low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and be moved to the left the left side edge 325 being no more than described low water base plate in the powder cell body of paving powder low water pedestal; The bottom width W5 that described paving powder low water moves the right receiving hopper connecing bucket is less than the A/F W6 of the right low water upper end of paving powder low water pedestal, paving powder low water move the dividing plate connecing bucket move right in the powder cell body of paving powder low water pedestal be no more than described low water base plate right edge along 326.
Described paving powder low water move connecing bucket driven by a loose slot drive motors 37, described loose slot drive motors drives one to spread powder loose slot shifting axle 41 and rotates, described paving powder loose slot shifting axle moves at paving powder low water the two ends connecing bucket and drives to connect a bucket Rack and gear transmission pair 42 respectively, described in connect bucket Rack and gear transmission subband dynamic paving powder low water and move and connect bucket and move left and right.
Described paving powder loose slot device is provided with the controller controlling loose slot drive motors, the start-up time of described controller control loose slot drive motors, the duration of runs, rotation direction.
Embodiment one:
As Fig. 1 to Fig. 8, a kind of laser powder fast forming machine essence amount power spreading device, is arranged on laser powder fast forming machine.Laser powder fast forming machine comprises overall frame 1, laser galvanometer scanning device 2, work cylinder device 3, powder discharging device 4, accurate quantification power spreading device 5 and control system.Described laser galvanometer scanning device 2, work cylinder device 3, powder discharging device 4, accurate quantification power spreading device 5 are fixedly mounted in described overall frame 1, described laser galvanometer scanning device 2, work cylinder device 3, powder discharging device 4, are electrically connected between accurate quantification power spreading device 5 with described control system.
Described accurate quantification power spreading device 5 comprises basic installing plate 6, gumming access slot 7, the powder-laying roller carriage 8 driving powder-laying roller 29 back and forth to walk, the powder-laying roller tumbler 9 driving powder-laying roller to rotate, paving powder loose slot device 10, described basic installing plate 6 is fixedly mounted in described overall frame 1, and described gumming access slot 7, powder-laying roller carriage 8, powder-laying roller tumbler 9, paving powder loose slot device 10 are arranged on described basic installing plate 6.
Described powder-laying roller carriage 8 comprises belt wheel master end mounting base 11, paving powder rail plate 12, belt wheel slave end supporter 13, belt wheel master end supporter 14, belt wheel master end rotating shaft 15, slip drive motors 16, first belt transmission pair 17, second belt transmission pair 18, sliding motor mount pad 19, synchronous belt tooth contour briquetting 20, powder-laying roller driving shaft mount pad 21, the rotation of paving powder installation base plate 22, slide block 23.Described paving powder rail plate 12, belt wheel master end mounting base 11, described belt wheel slave end supporter 13 is arranged on described basic installing plate 6, described slide block 23 slides along described paving powder rail plate 12, described paving powder rotates installation base plate 22 and is fixedly mounted on described slide block 23, described powder-laying roller driving shaft mount pad 21 is fixedly mounted on described paving powder and rotates on installation base plate 22, belt in described second belt transmission pair 18 is pushed down with described powder-laying roller driving shaft mount pad 21 by described synchronous belt tooth contour briquetting 20, described sliding motor mount pad 19 is fixedly mounted on described belt wheel master end supporter 14, described belt wheel master end supporter 14 is fixedly mounted on described belt wheel master end mounting base 11, described slip drive motors 16 drives described belt wheel master end rotating shaft 15 to rotate by the first belt transmission secondary 17, described synchronous belt tooth contour briquetting 20 is driven again by the second belt transmission 18, powder-laying roller driving shaft mount pad 21, paving powder rotates installation base plate 22, slide block 23 slides along described paving powder rail plate 12.
Described powder-laying roller tumbler 9 comprises powder-laying roller rotational drive motor 24, powder-laying roller rotational drive motor mount pad 25, powder-laying roller rotating driveshaft 26, 3rd belt transmission pair 27, powder-laying roller turning cylinder 28, powder-laying roller 29, powder-laying roller installs both sides seat 30, described powder-laying roller 29 is arranged on described powder-laying roller and installs on both sides seat 30, described powder-laying roller is installed both sides seat 30 and is fixedly mounted on described paving powder rotation installation base plate 22, described powder-laying roller 29, described powder-laying roller is installed both sides seat 30 and can be slided along described paving powder rail plate 12 along with described paving powder rotates installation base plate 22, described powder-laying roller rotational drive motor mount pad 25 is fixedly mounted on described powder-laying roller driving shaft mount pad 21, described powder-laying roller rotating driveshaft 26 wears described powder-laying roller driving shaft mount pad 21, described powder-laying roller rotational drive motor 24 is arranged on described powder-laying roller rotational drive motor mount pad 25, described powder-laying roller rotational drive motor 24 drives described powder-laying roller rotating driveshaft 26 to rotate, described powder-laying roller rotating driveshaft 26 moves described powder-laying roller turning cylinder 28 by the 3rd belt transmission 27 subband and rotates, described powder-laying roller turning cylinder 28 drives described powder-laying roller 29 to rotate.
As shown in Figures 3 to 8, described paving powder loose slot device 10 comprise mount pad 31, paving powder low water pedestal 32, paving powder low water move connect bucket 33, linear slide rail 34, linear slide block 35, loose slot move link plate 36, loose slot drive motors 37, loose slot drive motors mount pad 38, loose slot driving shaft 39, gear driving pair 40, paving powder loose slot shifting axle 41, rack pinion pair 42.
As shown in Figure 4, the cross section of described paving powder low water pedestal is portal structures, the top of the paving powder low water pedestal of portal structures is powder cell body 321, the low water base plate 322 of to be width be in the bottom surface of described powder cell body W2, the both sides of the paving powder low water pedestal of portal structures are left low water 323 and right low water 324, the lower end of described left low water and right low water is the opening that powder falls, and left low water is communicated with described powder cell body with the upper end of right low water; Powder cell body is arranged on the top of powder-laying roller, and left low water and right low water are separately positioned on the both sides of the radial direction of powder-laying roller.Be provided with low water holder 327 at the two ends of paving powder low water pedestal, low water holder 327 is fixedly mounted on described mount pad 31.
As shown in Figure 5, described paving powder low water moves and connecing bucket is the receiving hopper of bottom surface opened, and paving powder low water moves the centre connecing bucket and is provided with dividing plate 331, is moved by paving powder low water to connect bucket and be divided into left receiving hopper 332 and right receiving hopper 333.Paving powder low water moves in the powder cell body 321 connecing and struggling against and be arranged on and spread powder low water pedestal, paving powder low water moves the width W 2 that the width W 1 connecing bucket corresponds to the low water base plate of paving powder low water pedestal, paving powder low water moves the low water contacts baseplate of bottom surface and the paving powder low water pedestal connecing bucket, and paving powder low water moves and connects bucket and move left and right in the powder cell body of paving powder low water pedestal, make described left receiving hopper and right receiving hopper correspond respectively to the left low water of paving powder low water pedestal and right low water at different time.Move at paving powder low water the two ends connecing bucket to be provided with and to connect bucket holder 334, paving powder low water moves and connects bucket and be fixedly mounted on described loose slot move on link plate 36 by connecing bucket holder 334.
As shown in Figure 8, the bottom width W3 that described paving powder low water moves the left receiving hopper connecing bucket is less than the A/F W4 of the left low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and be moved to the left the left side edge 325 being no more than described low water base plate in the powder cell body of paving powder low water pedestal; The bottom width W5 that described paving powder low water moves the right receiving hopper connecing bucket is less than the A/F W6 of the right low water upper end of paving powder low water pedestal, paving powder low water move the dividing plate connecing bucket move right in the powder cell body of paving powder low water pedestal be no more than described low water base plate right edge along 326.
Described loose slot drive motors mount pad 38 is fixedly mounted on described powder-laying roller driving shaft mount pad 21, described mount pad 31 is fixedly mounted on described paving powder and rotates on installation base plate 22, described linear slide rail 34 is fixedly mounted on described mount pad 31, described linear slide block 35 slides along described linear slide rail 34, described paving powder low water pedestal 32 is fixedly mounted on described mount pad 31, described loose slot moves link plate 36 and is fixedly mounted on tooth bar in described rack pinion pair 42 and described linear slide block 35, described paving powder low water moves and connects bucket 33 and be fixedly mounted on described loose slot and move on link plate 36, described loose slot driving shaft 39 is through described powder-laying roller driving shaft mount pad 21, described loose slot drive motors 37 drives described loose slot driving shaft 39 to rotate, loose slot driving shaft 39 drives described paving powder loose slot shifting axle 41 to rotate by described gear driving pair 40, described paving powder loose slot shifting axle moves at paving powder low water the two ends connecing bucket and drives to connect a bucket Rack and gear transmission pair 42 respectively, the tooth bar connect in bucket Rack and gear transmission pair 42 is moved, connect loose slot described in the rack drives in bucket Rack and gear transmission pair 42 and move link plate 36, paving powder low water moves and connects bucket 33, linear slide block 35 slides along described linear slide rail 34.
Described paving powder loose slot device is provided with the controller controlling loose slot drive motors, the start-up time of described controller control loose slot drive motors, the duration of runs, rotation direction.
In real work, powder-laying roller carriage 8 finally realizes powder-laying roller 29 and slides along described paving powder rail plate 12, powder-laying roller tumbler 9 finally realizes described powder-laying roller 29 own rotation, paving powder loose slot device 10 finally realizes connecing bucket 33 and horizontally slips along described linear slide rail 34, and described powder-laying roller carriage 8, powder-laying roller tumbler 9, paving powder loose slot device 10 cooperatively interact and realize accurate quantification paving powder.
As Fig. 9, when applying powder plant running, powder 50 is inserted paving powder low water and is moved in the left receiving hopper 332 and right receiving hopper 333 connecing bucket by powder discharging device, and the amount of inserting is by the area control of control system according to paving powder region.As Figure 10, powder-laying roller carriage drives the motion of paving powder loose slot device right-to-left, when pawnshop powder loose slot device moves to the paving powder position of setting, the controller of paving powder loose slot device controls loose slot drive motors and starts, loose slot drive motors is by loose slot driving shaft 39, gear driving pair 40, paving powder loose slot shifting axle 41, rack pinion pair 42, loose slot moves link plate 36 and drives paving powder low water to move to connect bucket 33 and be moved to the left, make paving powder low water move the powder connect in the left receiving hopper 332 of bucket and fall into the left low water 323 spreading powder low water pedestal, powder-laying roller tumbler drives powder-laying roller to rotate, powder is laid on powder region uniformly, complete the operation spreading powder left.
As Figure 11, after the operation spreading powder left completes, powder-laying roller carriage drives paving powder loose slot device to move from left to right, when pawnshop powder loose slot device moves to the paving powder position of setting, the controller of paving powder loose slot device controls loose slot drive motors and starts, loose slot drive motors moves right by driving paving powder low water to move to connect bucket 33, make paving powder low water move the powder connect in the right receiving hopper 333 of bucket and fall into the left low water 324 spreading powder low water pedestal, powder-laying roller tumbler drives powder-laying roller to rotate, powder is laid on powder region uniformly, complete the operation spreading powder to the right.Then next paving powder working cycles is entered.
The essence amount power spreading device of the present embodiment can control power spreading device in a paving powder stroke paving powder region, achieves selective paving powder, can improve powder utilization rate, improve precision of powder laying and finished product forming accuracy.
Claims (4)
1. a laser powder fast forming machine essence amount power spreading device, be arranged on laser powder fast forming machine, the basic installing plate comprising overall frame and be fixedly connected with overall frame, the powder-laying roller tumbler described basic installing plate is equipped with powder-laying roller, driving powder-laying roller to rotate, the powder-laying roller carriage driving powder-laying roller back and forth to walk; It is characterized in that, be provided with paving powder loose slot device described smart measuring in power spreading device, described paving powder loose slot device comprises paving powder low water pedestal, paving powder low water moves and connects bucket;
The cross section of described paving powder low water pedestal is portal structures, the top of the paving powder low water pedestal of portal structures is powder cell body, the bottom surface of described powder cell body is low water base plate, the both sides of the paving powder low water pedestal of portal structures are left low water and right low water, the lower end of described left low water and right low water is the opening that powder falls, and left low water is communicated with described powder cell body with the upper end of right low water; Powder cell body is arranged on the top of powder-laying roller, and left low water and right low water are separately positioned on the both sides of the radial direction of powder-laying roller;
Described paving powder low water moves and connecing bucket is the receiving hopper of bottom surface opened, and paving powder low water moves the centre connecing bucket and is provided with dividing plate, is moved by paving powder low water to connect bucket and be divided into left receiving hopper and right receiving hopper;
Paving powder low water moves in the powder cell body connecing and struggling against and be arranged on and spread powder low water pedestal, paving powder low water moves the width that the width connecing bucket corresponds to the low water base plate of paving powder low water pedestal, paving powder low water moves the low water contacts baseplate of bottom surface and the paving powder low water pedestal connecing bucket, and paving powder low water moves and connects bucket and move left and right in the powder cell body of paving powder low water pedestal, make described left receiving hopper and right receiving hopper correspond respectively to the left low water of paving powder low water pedestal and right low water at different time.
2. a kind of laser powder fast forming machine essence amount power spreading device according to claim 1, it is characterized in that, the bottom width that described paving powder low water moves the left receiving hopper connecing bucket is less than the A/F of the left low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and be moved to the left the left side edge being no more than described low water base plate in the powder cell body of paving powder low water pedestal; The bottom width that described paving powder low water moves the right receiving hopper connecing bucket is less than the A/F of the right low water upper end of paving powder low water pedestal, and paving powder low water moves the dividing plate connecing bucket and moves right in the powder cell body of paving powder low water pedestal and be no more than the right edge edge of described low water base plate.
3. a kind of laser powder fast forming machine essence amount power spreading device according to claim 1, it is characterized in that, described paving powder low water moves and connects bucket by a loose slot drive motors driving, described loose slot drive motors drives one to spread powder loose slot shifting axle and rotates, described paving powder loose slot shifting axle moves at paving powder low water the two ends connecing bucket and drives one respectively to connect bucket Rack and gear transmission secondary, described in connect bucket Rack and gear transmission subband dynamic paving powder low water and move and connect bucket and move left and right.
4. a kind of laser powder fast forming machine essence amount power spreading device according to claim 3, it is characterized in that, described paving powder loose slot device is provided with the controller controlling loose slot drive motors, the start-up time of described controller control loose slot drive motors, the duration of runs, rotation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282614.3U CN204565115U (en) | 2015-05-05 | 2015-05-05 | A kind of laser powder fast forming machine essence amount power spreading device |
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| CN105364071A (en) * | 2015-12-04 | 2016-03-02 | 钱波 | Rapid metal powder forming machine |
| CN104772461B (en) * | 2015-05-05 | 2016-08-24 | 北京易博三维科技有限公司 | A kind of laser powder fast forming machine essence amount power spreading device |
| CN106040976A (en) * | 2016-07-19 | 2016-10-26 | 宁夏共享模具有限公司 | Large-span sand mold 3D printing sanding apparatus |
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| EP3412384A1 (en) * | 2017-06-06 | 2018-12-12 | LayerWise N.V. | Method and device for dosing of a powder for the additive manufacture of a product |
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| BE1025291B1 (en) * | 2017-06-06 | 2019-01-15 | Layerwise N.V. | METHOD AND DEVICE FOR DOSING A POWDER FOR ADDITIVELY MANUFACTURING A PRODUCT |
| EP3412384A1 (en) * | 2017-06-06 | 2018-12-12 | LayerWise N.V. | Method and device for dosing of a powder for the additive manufacture of a product |
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| WO2019147239A1 (en) | 2018-01-25 | 2019-08-01 | Hewlett-Packard Development Company, L.P. | Build material dispensing device |
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| EP3691864A4 (en) * | 2018-01-25 | 2021-05-19 | Hewlett-Packard Development Company, L.P. | Build material dispensing device |
| US11225022B2 (en) | 2018-01-25 | 2022-01-18 | Hewlett-Packard Development Company, L.P. | Build material dispensing device |
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| CN112191846A (en) * | 2020-09-21 | 2021-01-08 | 昆明理工大学 | Additive manufacturing process and equipment for rolling composite selective laser melting |
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